Perhaps you should try some spelling variations:
based development » basin development, land development, rapid development
information gaps » information gap, information flows, information needs
communication a » communication _, communications _, communicating _
technologies a » technologies _
a information » _ information, land information, award information
development a » development _, development bank, development banks
a based » _ based, a base, map based

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information gaps _ mobile communication a based development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps _ mobile communication a based development a afrique.*.